Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARK DOUGLAS HELM M.D.
NPI 1679568638
Psychiatry & Neurology - Psychiatry in Lakeland, FL

Q: What is Mark Helm's NPI number?

The NPI number for Mark Helm is 1679568638. It was assigned to this individual provider in the NPPES registry on September 15, 2005.

Q: What is Mark Helm's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: Is Mark Helm enrolled in Medicare?

No. Mark Helm has opted out of Medicare through April 13, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Mark Helm was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 15, 2005Opted out of Medicare · through Apr 13, 2027

1324 LAKELAND HILLS BLVD, LAKELAND, FL 33805(863) 687-1222(863) 603-6546 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mark Douglas Helm M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK DOUGLAS HELM M.D. (NPI 1679568638) is an individual psychiatry provider in Lakeland, Florida, licensed in Florida (ME44208) and active in the NPI registry since September 2005. He has opted out of Medicare through April 13, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1679568638

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameMARK DOUGLAS HELMCredential: M.D.

Location Address1324 LAKELAND HILLS BLVDLakeland, FL 33805-4543

Mailing Address1324 Lakeland Hills BlvdLakeland, FL 33805-4543 · (863) 687-1222 · Fax (863) 603-6546

Phone(863) 687-1222

Fax(863) 603-6546

Sole ProprietorNo

Enumeration DateSeptember 15, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1679568638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in FL · ME44208

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

1324 LAKELAND HILLS BLVD, Lakeland, FL 33805

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mark Douglas Helm M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 13, 2017 through April 13, 2027.

Opt-Out Effective DateApril 13, 2017

Opt-Out In Effect ThroughApril 13, 2027Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33805 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$171.84 typical visit price

range $56.00 – $171.84

Typical copayment $42.96 (range $14.00 – $42.96)

Most-billed visit code 99205

Established Patient

$70.04 typical visit price

range $17.57 – $139.16

Typical copayment $17.51 (range $4.39 – $34.79)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTIAN ABREU-RAMIREZ MD

Internal Medicine (Pulmonary Disease)